Home / 818,688.06-1,226,674.46-497,869.47

Finding the Fourth Proportional to 818,688.06, 1,226,674.46 and 497,869.47

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Solution

The fourth proportional to 818,688.06, 1,226,674.46 and 497,869.47 is: 745,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,688.06 : 1,226,674.46 = 497,869.47 : x
  2. Step 2: Convert to fraction form
    818,688.06/1,226,674.46 = 497,869.47/x
  3. Step 3: Cross multiply
    818,688.06x = 1,226,674.46 × 497,869.47
  4. Step 4: Simplify right side
    818,688.06x = 610,723,764,507.41
  5. Step 5: Solve for x
    x = 610,723,764,507.41/818,688.06
  6. Step 6: Final answer
    x = 745,978.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.